body{
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}
.social-icons{
    display: flex;
}
.social-icon{
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    width: 80px;
    height: 80px;
    margin: 0 0.5rem;
    border-radius: 50%;
    cursor: pointer;
    font-family: "Halvetica Neue",sans-serif,"Arial";
    font-size: 2.5rem;
    text-decoration: none;
    transition: all 0.15s ease;
    box-shadow: inset 1px 1px 2px #90a4ae,
                inset -1px -1px 2px white,
                5px 5px 10px #90a4ae,
                -5px -5px 10px white;
    border: 6px solid rgba(230,228,228);            
}
/* Tooltips */
.tooltip {
    display: block;
    position: absolute;
    top: 0;
    left: 50%;
    padding: 0.8rem 1rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: bold;
    opacity: 0;
    pointer-events: none;
    text-transform: uppercase;
    transform: translate(-50%, -100%);
    transition: all 0.3s ease;
    z-index: 1;
  }
  .tooltip:after {
    display: block;
    position: absolute;
    bottom: 1px;
    left: 50%;
    width: 0;
    height: 0;
    content: "";
    border: solid;
    border-width: 10px 10px 0 10px;
    border-color: transparent;
    transform: translate(-50%, 100%);
  }

/* color */
http://fcdbox.com/o/mc2.png{
    background: #000;
    color: #fff;
}
.social-icon--github{
    background: #4284c0;
    color: #fff;
}
.social-icon--twitter{
    background: #2b97f1;
    color: #fff;
}
.social-icon--youtube{
    background: #fa3217;
    color: white;
}
.social-icon--instagram{
    background: #527fa6;
    color: white;
}
.social-icon--facebook{
    background: #3b5a9b;
    color: white;
}
/* Hover Effect*/
.social-icon:hover .tooltip {
    visibility: visible;
    opacity: 1;
    transform: translate(-50%, -150%);
}
.social-icon--codepen .tooltip{
    background: #000;
    columns: currentColor;
}
.social-icon--codepen .tooltip::after{
    border-top-color: black;
}

.social-icon--facebook .tooltip{
    background: #3b5a9b;
    columns: currentColor;
}
.social-icon--facebook .tooltip::after{
    border-top-color: #3b5a9a;
}
.social-icon--twitter .tooltip{
    background: #2b97f1;
    columns: currentColor;
}
.social-icon--twitter .tooltip::after{
    border-top-color: #2b97f1;
}

.social-icon--youtube .tooltip{
    background: #f31344;
    columns: currentColor;
}
.social-icon--youtube .tooltip::after{
    border-top-color: #f31344;
}

.social-icon--instagram .tooltip{
    background: #527fa6;
    columns: currentColor;
}
.social-icon--instagram .tooltip:after{
    border-top-color: #527fa6;
}


.social-icon--github .tooltip{
    background: #4284c0;
    columns: currentColor;
}
/* icon after effect */
.social-icon--github .tooltip::after{
    border-top-color: #4284c0;
}